Kozašice was formerly part of the German Empire. In the German Empire, the place was called Kozašice.
The place is now called Kozašice and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kozaschitz | Austro-Hungary | Pardubitz | before the Treaty of Saint-Germain |
| Kozašice | Austro-Hungary | Pardubitz | before the Treaty of Saint-Germain |
| Kozašice | Czechoslovakia | Pardubice | after the Treaty of Saint-Germain |
| Kosaschitz | German Empire | Pardubitz | 1939 |
| Kozašice | German Empire | Pardubitz | 1939 |
| Kozašice | Czechoslovakia | Pardubice | 1945 |
| Kozašice | Czechoslovakia | Východní Čechy | 1992 |